Using Acoustic Panel To Build Door
Properly sized your grid method should also work and might look nicer.
Using acoustic panel to build door. For a 10 x10 room with an 8 height the wall surface is 320 ft 10 is 32 ft 20 is 64 ft and 35 is 112 ft. All you need to do is build a wood frame the size of your panel. On the flat wall you can hang them like you hang picture frames. You could glue tape the panels to a sheet of tempered hardboard ie masonite or thin plywood and mount that to the door.
Typically acoustic panels are 2 feet wide and 4 feet long or 61 cm by 122 cm. Remove entire board with foam as a unit. Then seal the gaps with a door gasket door sweep or spray foam to prevent air leaks. Larger panels will absorb more sound.
7 household items you can use to soundproof a door. That ll help you figure out how many you need to build. To soundproof a door make it structurally strong enough to block noise by replacing it with a solid core door or by adding mass loaded vinyl soundproof blankets and panels to the existing door. They re also usually 2 or 4 inches 5 or 10 cm thick.
After you build your bass traps and acoustic panels you will want to know how to mount them. What is recommended is to use eye hooks picture hanging wires and wall hanging hooks which can be found on amazon or any local hardware store. You might as well make the frame the size of the towel if the towels are not too large of course. It creates a more or less airtight barrier between the door and the floor preventing airborne sound from getting through.
Build the frame a couple of inches smaller on all sides so you can wrap the towel over and around the back of the frame. So you ll probably want them to be fairly big. If using 2 x4 8 ft panels you ll need 4 8 or 14 panels respectively. Having determined the surface area to cover decide on the dimensions and number of panels you need.
But if you want different measurements that s fine. I built some diy acoustic panels to help cut down on the reverb in my room when recording audio. You can even make smaller acoustic panels using old hand towels.